All Nippon Airways Co., Ltd., also referred to as ANA is the largest airline in Japan and is headquartered in Shiodome City Center in the Shiodome area of Minato ward of Tokyo. The airline has a fleet size of 232 carriers with flying across 97 locations. ANA offers round the clock assistance to address consumer grievances. In order to get in touch with ANA customer service representatives with regard to flight, baggage, and other relevant concerns, kindly refer to given customer service contact information for a hassle free experience ANA Toll Free Customer Service Number: 000800-100-9274 ANA Customer Service Number: +81-3-4332-6868* (Charged) ANA International Reservation and Customer Service: 0570-029-333 (Fixed rate within Japan) | 03-6741-6685 (Toll number) | Operator hours: International (Including Award Tickets) 8:00 - 19:00, 22:00 - 8:00 (Open 365 Days) ANA International In-flight Sales Customer Service: 0120-283-757 (Toll-free number) | 03-6253-7282 (Toll number) | Operat